... PART1; DIN41494: PART7; GB/T3047.2-92 standard, compatible with 19" international standard, metric system and ETSI standard2. Advanced Technology ... 2 13Cage nut andScrew M610/20pcs----10 Pieces below 12U14Cage nut andScrew M6*1210/20pcs----10 Pieces below 12U15Bolt M8*702pcs---- ... 4U,6U,9U,12U,18U,22U Wall Mounted Cabinet with Tempered ...